This app was mentioned in 3 comments, with an average of 1.33 upvotes
Good luck! If you need people to follow you for your ghost hunting adventures, do buzz me!
BTW you can experiment with phone-based apps first, to get a quick taste. I had experience with Ghost Radar on Android.
Ghost Radar on Android. Tried this before and had a some scary relevant words that came back to me (coincidence? law of large numbers?)